TY - CONF AU - Abdulkader Nallib, Ihab AU - Iglesias GarcĂ­a, Julio PY - 2012 SN - 0016-5107 UR - http://hdl.handle.net/20.500.11940/5398 LA - eng TI - Comparison between EUS-guided 19G and 22g procore needle biopsies in pancreatic masses: A prospective multicenter study in 72 cases DO - http://dx.doi.org/10.1016/j.gie.2012.04.329 VL - 75 ER -